synthesizer-core-0.2.1: Audio signal processing coded in Haskell: Low level partSource codeContentsIndex
Synthesizer.Plain.Filter.Recursive.MovingAverage
Portabilityrequires multi-parameter type classes
Stabilityprovisional
Maintainersynthesizer@henning-thielemann.de
Description
Synopsis
sumsStaticInt :: C v => Int -> T v -> T v
modulatedFrac :: (C a, C a v) => Int -> T a -> T v -> T v
Documentation
sumsStaticInt :: C v => Int -> T v -> T vSource

Like Synthesizer.Plain.Filter.NonRecursive.sums but in a recursive form. This needs only linear time (independent of the window size) but may accumulate rounding errors.

ys = xs * (1,0,0,0,-1) / (1,-1)
ys * (1,-1) = xs * (1,0,0,0,-1)
ys = xs * (1,0,0,0,-1) + ys * (0,1)
modulatedFrac :: (C a, C a v) => Int -> T a -> T v -> T vSource
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